– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 9 am Thu 20 Nov Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Thu 20 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Thu 20 Nov Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 30mm), heaviest during Sat night. Mild temperatures (max 9°C on Sat morning, min 4°C on Thu night). Wind will be generally light. | Days 4–6 Weather SummaryHeavy rain (total 34mm), heaviest during Sun morning. Later becoming colder with a dusting of snow on Sun afternoon. Freeze-thaw conditions (max 6°C on Sun morning, min -2°C on Mon afternoon). Wind will be generally light. | |||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | | |  |  |  |  | |  | |  | |  | |
some clouds | rain shwrs | some clouds | light rain | light rain | light rain | rain shwrs | light rain | heavy rain | heavy rain | light snow | snow shwrs | rain shwrs | clear | some clouds | cloudy | cloudy | light snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | 2 | |
— | 0.1 | — | 0.1 | 0.9 | 0.5 | 0.1 | 2 | 27 | 26 | 5 | 1.8 | 1.2 | — | — | — | — | — | |
max°C | 7 | 6 | 5 | 6 | 6 | 8 | 9 | 9 | 8 | 6 | 2 | 2 | 3 | 1 | -2 | 2 | 1 | 1 |
min°C | 6 | 5 | 4 | 6 | 6 | 7 | 9 | 9 | 7 | 3 | 2 | 1 | 2 | -2 | -2 | 0 | 0 | 0 |
5 | 5 | 4 | 6 | 5 | 6 | 9 | 7 | 4 | 1 | 0 | 1 | 1 | -2 | -2 | 0 | -2 | -2 | |
1450 | 1500 | 1550 | 1750 | 1750 | 2100 | 2150 | 2000 | 1800 | 1450 | 850 | 750 | 750 | 650 | 0 | 550 | 600 | 750 | |
Cloud base (m) | 800 | 700 | 950 | 2250 | 750 | 600 | 800 | 850 | 550 | 550 | 600 | 600 | 650 | 650 | 700 | 650 | 650 | 2300 |
 | 7:24 | — | — | 7:24 | — | — | 7:26 | — | — | 7:28 | — | — | 7:30 | — | — | 7:31 | — | — |
 | — | 4:22 | — | — | 4:21 | — | — | 4:20 | — | — | 4:19 | — | — | 4:17 | — | — | 4:17 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 30mm), heaviest during Sat night. Mild temperatures (max 9°C on Sat morning, min 4°C on Thu night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Heavy rain (total 34mm), heaviest during Sun morning. Later becoming colder with a dusting of snow on Sun afternoon. Freeze-thaw conditions (max 6°C on Sun morning, min -2°C on Mon afternoon). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.